H.6 investigation summary: the batch history record (bhr) review for batch 2082265 was satisfactory and no quality notifications were generated during manufacturing and inspection.Formulation, filling, and autoclaving processes were within specifications.As part of the release criteria for this product, the bhr is reviewed to confirm the following: the total elapsed time between end of formulation and start of the autoclave cycle was within the specified limits.All autoclave parameters conformed to the validated cycle parameters for this product.The minimum f0 for this product was met.Qc inspection and testing were satisfactory at time of release.The complaint history was reviewed, and no other complaints have been taken on this batch for turbid media.Retention samples from batch 2082265 ((b)(4) tubes) were available for inspection.No contamination was observed.To further evaluate, two tubes from retention samples were incubated.One tube was incubated for 7 days in 20-25c and one tube was incubated at 33-27c for 7 days; following 7 days the two tubes did not have any contamination.Two photos were received to assist with the investigation: the first photo shows two tubes side by side, the tube on the left has turbid media with bubbling on the top and the tube on the right has media that is visibly clear.The product label and cap of the tube are not present in this photo.The second photo also shows two tubes.The tube labels display material 297354, lot 2082265, and expiration 2023-09-20.The tube on the left contains a clear medium and the tube on the right contains a turbid media.The turbidity in the photos is likely caused by contamination.No returns were received to assist with the investigation.This complaint can be confirmed for contamination based on the evidence provided in the photos received.No complaint trends were identified for contamination; no actions are indicated at this time.Bd will continue to trend complaints for defects.
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